APA (7th ed.) Citation

Roos, M. (1997). Introduction to cosmology (2a. ed.). John Wiley.

Chicago Style (17th ed.) Citation

Roos, Matts. Introduction to Cosmology. 2a. ed. Chichester: John Wiley, 1997.

MLA (9th ed.) Citation

Roos, Matts. Introduction to Cosmology. 2a. ed. John Wiley, 1997.